get URL Parameters from current URL using Prototype JavaScript

Question

I'm noob to JavaScript and want to use Prototype JS Framework to get some URL parameters. Imagine I have the following URL on my current browser:

http://www.somewhere.com?param=abc

how can I get the value of 'param' using any function or utility of Prototype JS ?

Answer 1

Prototype.js DOES provide a utility:

uri.toQueryParams();